The ISS’ orbit has been trimmed

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The ISS’ orbit has been trimmed

The ISS’ orbit has been trimmed on April 5th using two cruise propulsion units of ATV-3 “Edoardo Amaldi” cargo spacecraft in accordance with a program of ballistic flight support, press-service of Federal Space Agency reports. AEX.ru

According to ballistic service of the Mission Control Center of Central Research Institute of Machine Building (TsNIIMash) the engines have been turned on at 23:06:07 Moscow time. The engines have been working for 894 seconds. As a result, the average altitude of ISS’ orbit has increased by 3,8 km to 393,1 kilometers.

The operation has been performed in order to form the station’s working orbit for provision of necessary conditions for landing of manned Soyuz TMA-22 spacecraft on April 27th and expected docking with Soyuz TMA-04M, which should be launched on May 15th.

The previous adjustment of ISS’ orbit has been performed in test mode on April 1st using two cruise propulsion units of ATV-3 “Edoardo Amaldi” cargo spacecraft. The ship’s engines have been working in regular mode.

The crew of 30/31 long duration mission is currently working at the ISS. The crew is formed by commander Daniel Burbanck (NASA), onboard engineers Anton Shkaplerov (Roscosmos), Anatoly Ivshin (Roscosmos), Oleg Kononenko (Roscosmos), Andre Kaupers (ESA) and Donald Pettite (NASA).